Normally you would claim this on your own insurance. The items were his property, not the store's.
Same for your friend with an xBox etc. taken from your house. His property/his insurance.
Some policies will let you add a rider to cover other people's property that's brought into your house.
Shot in the dark here but I'll guess the OP did not have any form of insurance.
Airsoft, where nothing is hurt but feelings.